The product obtained by heating zinc blende in air is produces [A], [A] is dissolved in dil. H 2 SO 4 produces [B]. A mixture of [B] and BaS is used as white pigment. Choose the incorrect statement among following statements.

[A] is zinc oxide and amphoteric in nature

[B] is known as white vitriol when it contain 7 moles of water of crystallisation

[B] can also be prepared by reaction of zinc carbonate with dil sulphuric acid

A mixture of [B] and barium sulphate is known as lithophone

The product obtained by heating zinc blende in air is produces [A], [A] is dissolved in dil. H 2 SO 4 produces [B]. A mixture of [B] and BaS is used as white pigment. Choose the incorrect statement among following statements.

[A] is zinc oxide and amphoteric in nature

The colour of K M n O 4 is due to: [where M → metal, L → ligand]

L → M charge transfer transition

M → L charge transfer transition

In the given reaction cycle X , Y and Z respectively are

X - CaCO 3 , Y - NaCl , Z - HCl

X - CaCO 3 , Y - NaCl , Z - KCl

X - CaO , Y - NaCl + CO 2 , Z - NaCl

X - CaO , Y - NaCl + CO 2 , Z - KCl

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The product obtained by heating zinc blende in air is produces [A], [A] is dissolved in dil. H₂SO₄produces [B]. A mixture of [B] and BaS is used as white pigment. Choose the incorrect statement among following statements.

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Important Questions on Acids, Bases and Salts

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Preparation of Salts

The colour of

K M n O_{4}

is due to: [where

M \to

metal,

L \to

ligand]

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Preparation of Salts

Consider the following statements relating to Sea Salinity:
1. The ocean salinity depends on evaporation and precipitation.
2. Any change in the temperature or density influences the salinity.
3. Major source of sea salinity of terrestrial discharge by rivers.
Which of the statements given above are correct? Select the correct answer using the codes below:

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Preparation of Salts

In the given reaction cycle

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